In this video I finally got around to doing some more tests with Edward Leedskalnin's PMH. The effect where the holding power is in the copper coil is very interesting to me.
Links to info on the Radius Boots:
http://www.pbs.org/opb/historydetectives/investigation/space-boot/
http://www.cheniere.org/misc/astroboots.htm#References:

Link to another YouTube video that gave me the idea to try these tests:
http://youtu.be/SHbQXnXK6Xc?list=FLIKzUKkh7XtnSYPW0AJb-9w